At Ananka Fasteners Pvt Ltd, we manufacture and supply fasteners certified to ASME SA307. ASME SA-307 – Standard Specification for Carbon Steel Bolts, Studs, and Threaded Rod, 60,000 psi Tensile Strength. The ASME Boiler & Pressure Vessel Code adoption of ASTM A307; technically identical to ASTM A307, used for general low-strength bolting in code-stamped equipment. Grades A, B and C.
ASME SA-307 – Standard Specification for Carbon Steel Bolts, Studs, and Threaded Rod, 60,000 psi Tensile Strength. The ASME Boiler & Pressure Vessel Code adoption of ASTM A307; technically identical to ASTM A307, used for general low-strength bolting in code-stamped equipment. Grades A, B and C.
| Grade / Class | UNS / Designation | Type / Notes |
|---|---|---|
| Grade A | SA-307 Gr A | Headed bolts, threaded rod, bent bolts – general use |
| Grade B | SA-307 Gr B | Heavy hex bolts/studs for cast-iron flanged piping joints |
| Grade C | SA-307 Gr C | Non-headed anchor bolts (matches A36; largely moved to F1554 Gr 36) |
Minimum mechanical requirements per ASME SA307.
| Grade / Class / Condition | Tensile Strength, min | Yield Strength, min | Elongation, min % | Hardness |
|---|---|---|---|---|
| Grade A | 60 (415) min | none specified | 18 | 121-241 HB |
| Grade B | 60-100 (415-690) | none specified | 18 | 121-212 HB |
| Grade C | 58-80 (400-550) | 36 (250) min | 23 | – |
| Grade | Key Composition, % |
|---|---|
| Grade A / B | Low/medium carbon steel; P<=0.12, S<=0.15 (Gr A) |
| Grade C | Structural carbon steel per A36 |
Identical to ASTM A307. Comparable to SAE J429 Grade 1/2 (low strength) and metric class 4.6. Grade C overlaps ASTM A36 / F1554 Grade 36.
For the official ASME standards catalogue, see the ASME standards listing. This external reference is provided for standards identification; the purchaser should verify the current edition applicable to the order.
We supply ASME SA307 fasteners — bolts, screws, studs, nuts and washers as applicable — for energy, petrochemical, marine, structural and general engineering service, in a full range of sizes and finishes.
For technical documentation and quotations, buyers can also review the Ananka Fasteners manufacturing and supply range or contact the team through the fastener enquiry and technical support page.
Ananka Fasteners supplies every lot with full material traceability and third-party testing on request.
ASME SA-307 – Standard Specification for Carbon Steel Bolts, Studs, and Threaded Rod, 60,000 psi Tensile Strength. The ASME Boiler & Pressure Vessel Code adoption of ASTM A307; technically identical to ASTM A307, used for general low-strength bolting in code-stamped equipment. Grades A, B and C.
Ananka Fasteners supplies Grade A, Grade B, Grade C to ASME SA307. See the Grades / Classes Covered table above for full details of each grade.
Minimum tensile strength, yield strength, elongation and hardness requirements vary by grade — see the Mechanical Properties table above for the complete breakdown.
We supply ASME SA307 fasteners — bolts, screws, studs, nuts and washers as applicable — for energy, petrochemical, marine, structural and general engineering service, in a full range of sizes and finishes.
Yes. For a quotation, provide the required fastener type, grade, nominal size, dimensional standard, quantity and any inspection or certificate requirements.
Need a fastener released to ASME SA307 for an industrial project? Send the required fastener type, grade, size, quantity and certification requirements to Ananka Fasteners. Our team can review the requirement and provide technical and commercial information for standard or custom configurations.
Recommended RFQ details: ASME SA307 requirement, material grade, fastener type, nominal size, dimensional standard, quantity, inspection requirements and EN 10204 certificate requirements where applicable.
Data compiled per ASME SA307 and industry references; provided for reference only — confirm against the current edition of the standard and certified mill test reports before design use.
